In article <0746ea03-c242-1020-7df8-f087f58a0...@crash.com> you write: >But yes, it's also worth noting that the item posted to the "Microsoft >365 Roadmap" at the end of October only discussed the use of ARC when >receiving messages for mailboxes hosted by Microsoft. It didn't address >any use of ARC in messages received from Microsoft by other entities.
Understood, but I'd think that things would work better overall if their ARC headers implemented RFC 8617 rather than some Redmond mutant. It looks to me like they're signing a private header that's modified on the way our or something like that. _______________________________________________ dmarc-discuss mailing list dmarc-discuss@dmarc.org http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)